Cart My cart 0 Items
Download PDF


Sound absorption lining for steel straps and pipe clamps, also according to DIN 4109.

Application up to +200°C (temporarily up to +300°C, see technical data).


Technical Data

Material: Silicone, red.

Hardness: 45+/-5° Shore

Temperature range: -60°C up to +200°C, permanent exposure

                                          approx. 2,000 h up to +250°C

                                          approx. 100 h up to +300°C

Breaking elongation: 350 %

Tear strength: 800 N/cm2

Impact absorption: 30 %

Fire resistance: Material class B2 (DIN 4102), non-dripping.

Sound absorption: up to 16 dB(A)

Surface resistance: 1 x 1011 Ohm

Volume resistance: 1 x 1015 Ohm

Resistant to: Animal and vegetable fats, glycerine and ethyl alcohol.

Partially resistant to: Diluted acids and lyes, chlorinated and aromatic solvents, and to lubricating oils.

Not resistant to: Chlorinated, aliphatic hydrocarbons, aromatic hydrocarbons, strong acids and strong lyes, steam exceeding 5 bar.

Durability: Weather-proof and ozone-resistant according to DIN 53509 and ageing-resistant according to   DIN 53508.

Sprinkler installations: Approved and accepted by the VdS for use in sprinkler installations.

TypeSteel strap

Number of
STD 1 SIL 25 x 3.0 4.5 4
STD 2 SIL 30 x 3.0 4.0 4
STD 3 SIL 40 x 4.0 6.0 5
STD 4 SIL 50 x 5.0 7.0 5



In combination with Stabil pipe clamps or pipe loop Praktica S approved and accepted by VdS for use as sound absorption lining in sprinkler installations.

= Sold by pack